@article{efficientpreferencepoisoningattackonoffl, title = {Efficient Preference Poisoning Attack on Offline RLHF}, author = {Chenye Yang and Weiyu Xu and Lifeng Lai}, year = {2026}, eprint = {2605.02495}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.02495}, }